68381736 has 32 divisors (see below), whose sum is σ = 171519360. Its totient is φ = 22718592.

The previous prime is 68381711. The next prime is 68381749. The reversal of 68381736 is 63718386.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2961 + ... + 12063.

It is an arithmetic number, because the mean of its divisors is an integer number (5359980).

Almost surely, 2^68381736 is an apocalyptic number.

It is an amenable number.

68381736 is an abundant number, since it is smaller than the sum of its proper divisors (103137624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68381736 is a wasteful number, since it uses less digits than its factorization.

68381736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9425 (or 9421 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 68381736 is about 8269.3250026831. The cubic root of 68381736 is about 408.9278671140.

The spelling of 68381736 in words is "sixty-eight million, three hundred eighty-one thousand, seven hundred thirty-six".